1921 



INDEX 



53 



Ammonites baculatus 



OLXXXI 



Index 



Pages c~ Plates 



Abnormal side dcxli 



acceleration 15 



Acknowledgment 51 



acmic characters 22 



actinophora dclxxxix 



Addenda 52 



adricus dclxix 



^goceras angulatum 13 



Agassiceratan 24 



Age 34. 35. 45. 46 



— names 39 



Ages 28 



albidus dclxxxvii 



AUovirgatitan . . . . dcxxxvii 

 Allovirgatites . . . . dcxxxvii, 



DCXXXVIII, DCXCII 



distans, tutcheri, woodwardi 



— tutcheri 9 



— • versicostatus 9 



— woodwardi 9 



alsaticus dxxviii a 



Alum Shale 45, 46 



Amaltheian 23 



Amaltheus cordatus . . Dcxxxiv 



Ammonites acanthopsis . . . . 42 



— acanthus 42 



— a;quistriatus 41 



— angulatus 43 



— anguliferus 12, 13 



— annulatus . . 41, 43, Dec 



— — lectotype Dcc 



— annuliferus 42 



— • arenatus Dccix 



— armatus 44 



— attenuatus dclv 



— bakeriae Dcxv 



— banksii dclx 



— biplex 14, 38, Dciii, DCLXXiii, 



DCLXXVI, DCLXXVII 



— bononiensis DXCI, Dcxxi 



— braunianus 44 



— brocchii . . 47, 48, dccx, 



DCCXI 



• — brongniarti 47 



— bucklandi 11 



— — costaries . . dclxxviii 



— clevelandicus 12 



— communis 41. 43 



— cordatus . . . . dcxxxiii 



— — excavatus . . . . dcciv 



— crassus 42-44 



— dayi 42 



— decipiens . . . . dlxxxix 



— delicatus dclvi 



— — lectotype . . . . dclvi 



Pages &■ Plates 

 Ammonites desplacei 44 



— devillei. . . . dclii, dclxiv 



— discus Dvi 



elegans. . 

 eudoxus 

 excavatus 

 fibulatus 



— fluctuosus . . 



— gervillii grandis 



— giganteus . . 



— gigas . . . . 



— gowerianus . . 

 — • gulielrai 



— hildensis 



— holandrei . . 



— humphriesianus 



— — crassicosta 



— intertextus . . 



— kapffi . 



12, DCXLIV 



DLXXXVII 



DCXXX, DCXXXV 



44, DCLXXXIII, 



DCCI 



DCXV 



. . . . 47 



5, DXCIl 



. . . . 26 



DCXIV 



DLXXXVI 



DCLXVII 



• • 42. 44 



DCCIX 



DCCXII 



DCLXII 



DCXVII, DCXVIII 



kimmeridiensis 38, dclxxiii 



koenigi dcxlv 



kurrianus . . . . Dcxcviii 



laeviusculus . . . . dclxxxvii 



lonsdalii dii 



moorei bcxLiii 



mucronatus 43 



murchisonae Dcx 



obtuSUS . . DLXXVII 



nanus dclxxix 



obtusus II 



pallasianus . . . . 13, Dcxciii 

 parkinsoni longidens dlxxxii 

 pectinatus cccLiv, dci, dcii, 



DCLII, DCCV 



planicosta Dccvi 



polymerus 47 



pseudogigas . . . . Dccxvii 



— identity 26 



quadratus dcxix 



ragazzonii 43 



raristriatus 41. 42 



raquinianus 43 



redcarensis 11, 12, 13, dcviii 



— lectotype 13 



rotundus 13, cccliii, dxc, 



DCIV, DCVII, DCXXXIX, 

 DCLXXIV 



sedgwickii Dxcvii, Dxcvill 



semicelatus 41 



serpentinus . . . . cxxxviii 



serrigerus 51 



skidegatensis 38 



subarmatus 42 



superstes 49 



